.\" $Id: hdfunpac.1 1802 1995-07-25 01:53:23Z sxu $ .TH HDFUNPAC 1 "July 1995" "NCSA HDF 4.0" .SH NAME hdfunpac \- Unpack an HDF file .SH SYNOPSIS .B hdfunpac [ .B \-d .I datafile ] .I hdffile .SH DESCRIPTION .B hdfunpac unpacks an HDF file by exporting the scientific data elements (DFTAG_SD) to external object elements. The external file is .B DataFile by default. .SH OPTIONS .TP .BI \-d " datafile" Use .I datafile as the external file name. Default is .B DataFile. .SH SEE ALSO .BR hdf (1)